Phillips Exploration
Operator of record for 1,093 catalogued wells across 4 states. Every well below links to its full registry page.
Filed as: PHILLIPS EXPLORATION INC · Phillips Exploration Company L.C.
At a glance
Phillips Exploration is the operator of record for 1,093 catalogued U.S. oil & gas wells in 4 states. 49 (4%) are active, 341 (31%) plugged & abandoned. Its largest concentration is in Pennsylvania, with 934 wells (85% of its portfolio).
Wells operated
1,093
Active
49
Plugged
341
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Pennsylvania | 934 |
| Kansas | 145 |
| Ohio | 13 |
| Michigan | 1 |
Well mix
- Oil wells
- 67
- Gas wells
- 934
- Shut-in
- 0
- Active share
- 4%
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Claim your operator profileWhere does Phillips Exploration operate?
Phillips Exploration's catalogued wells are spread across 4 states: Pennsylvania (934), Kansas (145), Ohio (13) and Michigan (1). Its 934 Pennsylvania wells are 0.4% of the 224,189 catalogued in that state — its largest share of any state. Counts cover only states whose registries WellCensus has ingested with operator names; wells in Nebraska and Texas (location indexes) and in states without a registry ingest are not yet attributed to any operator.
How many of Phillips Exploration’s wells are active, plugged or orphaned?
4% of Phillips Exploration's catalogued wells are active, 24 percentage points below the national share of 29%. 31% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Phillips Exploration operate?
By product class, 67 (6%) are oil wells and 934 (85%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Boan Unit 4 in Belmont, OH at 8,900 ft. The wells listed below sit in Belmont (OH), Monroe (OH), Harper (KS), Logan (KS) and Reno (KS). State filings spell the name 2 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Phillips Exploration
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Boan Unit 4 | 34-013-20610 | Other status | Oil | Belmont, OH | Phillips Exploration Inc | 8,900 ft |
| Rufener Unit 1 | 34-111-24260 | Other status | Oil | Monroe, OH | Phillips Exploration Inc | 6,700 ft |
| J. Miller Unit 1 | 34-111-24259 | Other status | Oil | Monroe, OH | Phillips Exploration Inc | 6,655 ft |
| Verla Lude 1 | 34-111-24255 | Other status | Oil | Monroe, OH | Phillips Exploration Inc | 6,350 ft |
| Isaly 1 | 34-111-24155 | Other status | Oil | Monroe, OH | Phillips Exploration Inc | 6,200 ft |
| Harmon 1-17 | 15-077-21211 | Plugged & abandoned | Injection | Harper, KS | Phillips Exploration Company L.C. | 5,127 ft |
| Barr-Niswonger Unit 1-22 Mp | 15-109-21484 | Plugged & abandoned | Other type | Logan, KS | Phillips Exploration Company L.C. | 5,100 ft |
| Niswonger/Brown Unit 1-32 Mp | 15-109-21491 | Plugged & abandoned | Other type | Logan, KS | Phillips Exploration Company L.C. | 5,048 ft |
| Niswonger-Niswonger Unit 1-27mp | 15-109-21527 | Plugged & abandoned | Other type | Logan, KS | Phillips Exploration Company L.C. | 5,000 ft |
| Benson 'A' 1-17 | 15-155-21318 | Plugged & abandoned | Injection | Reno, KS | Phillips Exploration Company L.C. | 4,841 ft |
| Lee 1-31 | 15-109-20945 | Plugged & abandoned | Other type | Logan, KS | Phillips Exploration Company L.C. | 4,750 ft |
| Stark-Roach 1-21 | 15-077-21591 | Plugged & abandoned | Other type | Harper, KS | Phillips Exploration Company L.C. | 4,740 ft |
Deepest first where depth is published. See all 1,093 wells →
Frequently asked questions
How many wells does Phillips Exploration operate?
Phillips Exploration is the operator of record for 1,093 catalogued oil & gas wells, with the largest concentration in Pennsylvania (934). Only wells in states WellCensus has ingested are counted.
How many of Phillips Exploration's wells are still active?
49 of Phillips Exploration's catalogued wells are active; 341 are plugged & abandoned.
In which states does Phillips Exploration operate wells?
Phillips Exploration is the operator of record for wells in Pennsylvania (934), Kansas (145), Ohio (13) and Michigan (1).
Does Phillips Exploration operate mostly oil or gas wells?
67 of Phillips Exploration's catalogued wells are oil wells and 934 are gas wells; the rest are injection, service or unclassified wells.
What is Phillips Exploration's deepest well?
Among wells with a published depth, Boan Unit 4 in Belmont, OH is the deepest at 8,900 ft.
Where Phillips Exploration's wells are
- Oil & gas wells in Pennsylvania· 934 operated by Phillips Exploration
- Oil & gas wells in Kansas· 145 operated by Phillips Exploration
- Oil & gas wells in Ohio· 13 operated by Phillips Exploration
- Oil & gas wells in Michigan· 1 operated by Phillips Exploration
- Largest U.S. well operators
- All well operators
About this data
Source: State oil & gas regulator registries (operator of record as filed, exact-normalized across states) plus the USGS United States Documented Orphaned Well Database (2026), as published October 10, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: WellCensus, “Phillips Exploration — well portfolio”, https://wellcensus.com/operators/phillips-exploration-77990 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).